# Example: GitHub Actions workflow to auto-update test durations
# Rename to .github/workflows/update-test-durations.yml to enable

name: Update Test Durations

on:
  schedule:
    # Run weekly on Sundays at 2 AM UTC
    - cron: '0 2 * * 0'
  workflow_dispatch:  # Allow manual trigger

jobs:
  update-durations:
    runs-on: self-hosted

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -e .
          pip install pytest pytest-split

      - name: Update test durations
        run: |
          chmod +x tests/update_test_durations.sh
          ./tests/update_test_durations.sh

      - name: Check for changes
        id: check_changes
        run: |
          if git diff --quiet .test_durations; then
            echo "changed=false" >> $GITHUB_OUTPUT
          else
            echo "changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Create Pull Request
        if: steps.check_changes.outputs.changed == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: 'chore: update test duration data'
          title: 'Update test duration data'
          body: |
            Automated update of `.test_durations` file for optimal parallel test distribution.

            This ensures pytest-split can effectively balance test load across parallel environments.
          branch: auto/update-test-durations
          delete-branch: true